This might make be better as an RFC3229[1] (Delta encoding in HTTP) implementation-- putting the cache information in the querystring is strange when HTTP has a

This might make be better as an RFC3229[1] (Delta encoding in HTTP) implementation-- putting the cache information in the querystring is strange when HTTP has a bunch of headers dedicated to it. Cloudflare has a similar solution called Railgun[2] for updating dynamically generated pages. "reddit.com changes by about 2.15% over five minutes and 3.16% over an hour. The New York Times home page changes by about 0.6% over five minutes and 3% over an hour. BBC News changes by about 0.4% over five minutes and 2% over an hour." [1]: https://tools.ietf.org/html/rfc3229 https://tools.ietf.org/html/rfc3229 [2]: https://blog.cloudflare.com/efficiently-compressing-dynamically-generated-53805/ https://blog.cloudflare.com/efficiently-compressing-dynamica...